For those who want to look into all the diagnostic work that was done on this over on the C Body site, follow along here:
[URL]https://www.forcbodiesonly.com...t-318-wont-run-right-stuck-at-2500-rpm.96156/[/URL]
C Body guys gave it a good run, then they recommended that he come over here to FABO to try to come up with a solution.
OP is furiousgeorge over on the C Body site, and they are still commenting looking for a fix.
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